diff --git a/internal/v2/lib/supply/order.go b/internal/v2/lib/supply/order.go
index c069bd3..5731558 100644
--- a/internal/v2/lib/supply/order.go
+++ b/internal/v2/lib/supply/order.go
@@ -85,9 +85,9 @@ func (o *order) Close(orderSn string) (result ReplyOrderSubmit, err error) {
 }
 
 // Cancel @Title 取消订单
-func (o *order) Cancel(orderSubSn string) (result ReplyOrderSubmit, err error) {
+func (o *order) Cancel(orderSn string) (result ReplyOrderSubmit, err error) {
 	err = exec(orderCancel, map[string]interface{}{
-		"orderSubSn": orderSubSn,
+		"orderSn": orderSn,
 	}, &result)
 	return
 }